Modern structural engineering demands materials that deliver strength, durability, and cost-efficiency. High tensile steel plates S355J2N embody this ideal. With excellent toughness, weldability, and robust load-bearing capacity, S355J2N plates are enhancing structural efficiency in applications ranging from buildings to bridges and general infrastructure.
What Are S355J2N High-Tensile Steel Plates?
S355J2N steel is a European standard high-strength plate grade known for:
- Minimum yield strength of 355 MPa
- Impact toughness tested at –20 °C (denoted by “J2”)
- Improved weldability and formability
- Excellent choice for cold-weather and critical-load structures
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🔗 High-Tensile Plates S355J2N
Why S355J2N Plates Are Vital for Structural Efficiency
These plates offer key benefits:
- Reduced structural weight by using thinner gauge while maintaining strength
- Enhanced safety in cold climates, thanks to superior impact resistance
- Greater design flexibility with reliable performance in welded and fabricated assemblies
- Cost efficiency, enabling material savings without compromising durability
Industry Trends & Common Buyer Insights
Construction and fabrication professionals often ask:
- How does S355J2N compare to standard S355 steel?
- Can it be used in welded and heavy-fabricated structures like cranes or storage tanks?
- What are the grade’s compliance certifications?
- Will it help reduce steel supply weight and related costs?
This blog will clarify these points while showcasing how Champak Industries delivers trusted, compliant S355J2N plates tailored for structural competitiveness and performance.
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Technical Specifications of S355J2N Plates
S355J2N plates are part of the EN 10025-2 standard and stand out due to their consistent mechanical and chemical properties. Key specs include:
- Yield Strength: Min. 355 MPa (thickness-dependent)
- Tensile Strength: 470–630 MPa
- Impact Value: ≥27J at –20°C (Charpy V-notch test)
- Chemical Composition:
- Carbon (C): ≤ 0.20%
- Manganese (Mn): 1.00–1.60%
- Silicon (Si): ≤ 0.55%
- Phosphorus (P): ≤ 0.035%
- Sulfur (S): ≤ 0.035%
These parameters ensure S355J2N’s exceptional balance of strength and ductility — ideal for welded frames, base structures, and support columns.
Dimensions, Sizes, and Stock Range at Champak Industries
At Champak Industries, we stock and supply S355J2N high tensile plates in a broad range of specifications:
- Thickness: 6 mm to 200 mm
- Width: 1250 mm to 3000 mm
- Length: Custom cut-to-size or standard up to 12,000 mm
- Edge Condition: Mill edge or sheared edge
- Surface Finish: Shot-blasted and primer-coated options available
Whether your requirement is for large-scale infrastructure or fabricated structures, we offer ready-to-dispatch stock with mill traceability and MTC.
Processing, Cutting & Fabrication Services
Structural engineers and EPC contractors benefit from our in-house value-added services:
- CNC plasma and oxy-fuel cutting
- Bending, rolling, and edge preparation
- Ultrasonic testing (UT) and hardness testing
- Heat number stamping and test certification
This enables faster site deployment and optimized project timelines.
Certifications, Standards, and Global Approvals
Our S355J2N plates meet or exceed the following:
- EN 10025-2: Structural steel standards
- CE Marking: For European compliance
- IBR / PED (on request): For boiler/fabrication projects
- 3.1 / 3.2 Mill Test Certificates provided
✔ All plates undergo rigorous third-party inspection before dispatch.
✔ Fully compliant for export to Europe, Middle East, and Africa.
Why Structural Buyers Prefer Champak Industries for S355J2N Plates
We’re a leading supplier of high-yield structural steel plates with:
- Over 40 years of steel experience
- ISO-certified stockyard with ready inventory
- Custom export packaging for overseas clients
- Shortest lead times in the industry
Whether you’re fabricating a bridge or a building skeleton, Champak Industries delivers both strength and service — with guaranteed quality and quick availability.
Related Grades Offered Alongside S355J2N
We supply several related grades that meet similar structural requirements:
- EN 10025-6 S690QL & S690Q – for high-load crane booms and trailers
- S355JR / S355J2 / S355K2 – general-purpose structural steel
- ASTM A572 Gr. 50 / 60 – for North American clients
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Global Export of S355J2N Plates from India
Champak Industries is a trusted exporter of S355J2N high tensile plates to structural and construction projects across:
- UAE, Saudi Arabia, Oman
- Vietnam, Philippines, Indonesia
- Kenya, South Africa, Nigeria
- Bangladesh, Sri Lanka, Nepal
We offer:
- ISPM-15 compliant wooden packaging
- Weather-proof wrapping for marine shipments
- Third-party inspection (SGS, Lloyds, TUV) for international buyers
- 100% traceability with heat numbers and MTCs
We ship in bulk containers or LCL based on buyer requirements — with logistics support up to your port.
How to Select the Right S355J2N Plate for Your Project?
✅ Tip 1: Match the yield strength to your design load.
✅ Tip 2: Ask for Charpy V-notch tested plates (–20°C) to ensure safety in cold climates.
✅ Tip 3: Prefer plates with 3.1/3.2 mill test certification for quality documentation.
✅ Tip 4: Work with suppliers like Champak Industries who offer custom cutting, surface finish, and express delivery.
Our team can help you with design selection, quantity planning, and project-based pricing.
Quality Certifications, Approvals & Test Reports
We provide:
- EN 10204 3.1 / 3.2 Mill Test Certificates
- Ultrasonic Testing Reports
- IBR and PED Approvals (on request)
- ISO 9001:2015 quality compliance
- CE Marking for EU
Our plates are tested for tensile strength, chemical composition, and notch toughness — ensuring complete compliance with EN 10025-2 and global codes.
Get Price Quote or Datasheet – Fast Response
Need a price estimate or technical datasheet for S355J2N plates?
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🔗 Get in Touch with Our Team
We respond within 12 hours with:
- Updated stock availability
- Grade-wise pricing
- Logistics timelines
- Test certificate samples (PDF)
Bulk orders and repeat clients receive special pricing tiers and documentation support.
FAQ Answers
- What is S355J2N high tensile plate used for?
S355J2N plates are used in heavy structural engineering, bridges, construction equipment, offshore platforms, wind towers, and earthmoving machinery due to their high strength and excellent weldability. - What is the difference between S355J2 and S355J2N?
The “N” in S355J2N indicates that the plate is supplied in a normalized condition, improving toughness and consistency compared to non-normalized S355J2. - Is S355J2N equivalent to ASTM A572 Grade 50?
Yes, S355J2N is often considered the EN equivalent of ASTM A572 Gr 50, though exact equivalence should be verified based on mechanical properties and application codes. - Can S355J2N be used for offshore structures?
Yes, especially due to its good impact strength at sub-zero temperatures and resistance to brittle fracture, making it suitable for marine and offshore structures. - What is the minimum yield strength of S355J2N?
The minimum yield strength is 355 MPa for plate thicknesses ≤16mm. It decreases slightly with thicker plates, as per EN 10025-2 standards. - Does S355J2N require preheating before welding?
Generally, preheating is not required for plate thicknesses below 25mm, but it is recommended for thicker plates or restrained joints to avoid cold cracking. - What temperature is the Charpy impact test conducted at?
Charpy impact testing for S355J2N is conducted at –20°C, which ensures better performance in low-temperature applications. - Is S355J2N plate suitable for low-temperature applications?
Yes. Its excellent notch toughness at –20°C makes it suitable for cold climate or cryogenic structural projects. - What is the chemical composition of S355J2N?
Typical composition includes:
C ≤ 0.20%,
Mn ≤ 1.6%,
Si ≤ 0.55%,
P ≤ 0.025%,
S ≤ 0.025%,
with micro-alloying elements for grain refinement. - Where can I buy S355J2N plates in India?
You can source high-quality, mill-certified S355J2N plates from Champak Industries, a leading stockist and exporter in India. - Can you export S355J2N plates to the UAE or Africa?
Yes. Champak Industries regularly exports to UAE, Saudi Arabia, Oman, Kenya, Nigeria, South Africa, and more, with all required documentation and marine packaging. - What is the thickness range available for S355J2N?
Typically available in 6mm to 100mm thickness. Customized thickness and widths can also be arranged on request. - Are your plates tested for ultrasonic defects?
Yes. We provide UT-tested S355J2N plates as per EN 10160 or equivalent standards to ensure freedom from laminations or internal cracks. - Can I get cut-to-size S355J2N sheets?
Absolutely. We offer CNC and oxy-fuel cutting-to-size services for all structural steel orders. - What is the delivery time for 10 tons of S355J2N plates?
For ready stock, dispatch is possible within 2–4 working days. Custom sizes may take 1–2 weeks depending on mill availability. - Are your plates CE marked?
Yes, all plates intended for European clients are CE Marked and EN 10204 3.1 certified, ready for structural applications. - Do you provide 3.1 or 3.2 MTCs?
We provide EN 10204 3.1 MTCs by default. 3.2 certified plates with third-party witnessing (Lloyds, TUV, etc.) are available upon request. - What are the mechanical properties of S355J2N?
Yield Strength: 355 MPa
Tensile Strength: 470–630 MPa
Elongation: 20–22%
Impact Energy: ≥27J at –20°C - How much does a 10mm S355J2N plate weigh?
A 10mm thick plate weighs approximately 78.5 kg/m². For 1m × 2m sheet, it would be ~157 kg. - How can I get a price quote or datasheet quickly?
Just contact us here and share your requirement. We’ll email you the latest prices, stock list, and datasheets within 12 hours.
Final Call to Action:
Looking for a reliable supplier of S355J2N high tensile plates for your next structural project?
Partner with Champak Industries – India’s trusted source for heavy-duty structural steels.
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